Home / 127,852.42-191,780.26-48,971.38

Finding the Fourth Proportional to 127,852.42, 191,780.26 and 48,971.38

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Solution

The fourth proportional to 127,852.42, 191,780.26 and 48,971.38 is: 73,457.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,852.42 : 191,780.26 = 48,971.38 : x
  2. Step 2: Convert to fraction form
    127,852.42/191,780.26 = 48,971.38/x
  3. Step 3: Cross multiply
    127,852.42x = 191,780.26 × 48,971.38
  4. Step 4: Simplify right side
    127,852.42x = 9,391,743,988.96
  5. Step 5: Solve for x
    x = 9,391,743,988.96/127,852.42
  6. Step 6: Final answer
    x = 73,457.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.